What plant hardiness zone is Oak Ridge

Oak Ridge is located at Guilford County, North Carolina (NC), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Oak Ridge is 7b by the USDA scale.

Coldest zone's winter temperature is +5 … +10 °F.

Plants of 7b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 7b USDA.